The typical asking rate per listing is in the $20's per square foot per year. The Houston Metro region is going through a a boost in rates. In the last 3 months, the median rate went up $0 per sqft per year. That's a 1% rise in rent.
In the last 90 days, 2971 listings have been listed, so you'll want to check back regularly for new listings. About 64% of the available leases in the Houston Metro are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,320 sqft. Most buildings in this area are close to 2 stories. Most buildings in this region were built in 1983 and are Class B.